Symbian3/PDK/Source/GUID-842D8557-076B-4A6E-B823-81164368FD86.dita
author Dominic Pinkman <dominic.pinkman@nokia.com>
Fri, 13 Aug 2010 16:47:46 +0100
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parent 5 f345bda72bc4
permissions -rw-r--r--
Week 32 contribution of PDK documentation content. See release notes for details. Fixes bug Bug 3582
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<?xml version="1.0" encoding="utf-8"?>
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<!-- Copyright (c) 2007-2010 Nokia Corporation and/or its subsidiary(-ies) All rights reserved. -->
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<!-- This component and the accompanying materials are made available under the terms of the License 
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"Eclipse Public License v1.0" which accompanies this distribution, 
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and is available at the URL "http://www.eclipse.org/legal/epl-v10.html". -->
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<!-- Initial Contributors:
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    Nokia Corporation - initial contribution.
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Contributors: 
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-->
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<!DOCTYPE concept
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  PUBLIC "-//OASIS//DTD DITA Concept//EN" "concept.dtd">
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<concept id="GUID-842D8557-076B-4A6E-B823-81164368FD86" xml:lang="en"><title>Disabling
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and enabling feedback</title><prolog><metadata><keywords/></metadata></prolog><conbody>
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<section id="GUID-06A4B881-0D03-4AB0-A392-1732F04E367A"><title>Disabling and
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enabling feedback for your application</title><p>If you need to disable tactile
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feedback for any reason (and then possibly re-enable it later), use the function <xref href="jar:GUID-759FBC7F-5384-4487-8457-A8D4B76F6AA6.jar!/html/classMTouchFeedback.html#68dc5cb09c94b8c42e50e2043249b4c4" format="application/java-archive"><codeph>SetFeedbackEnabledForThisApp</codeph></xref>. </p><p>You can also use an <xref href="jar:GUID-759FBC7F-5384-4487-8457-A8D4B76F6AA6.jar!/html/classMTouchFeedback.html#f79365f3d12d54496715be253759dec6" format="application/java-archive">overloaded version</xref> of the function for disabling only audio or vibration
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based feedback.</p><p>Feedback may need to be disabled for example during
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video recording in camera applications, because otherwise device vibration
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sounds may be recorded along the video clip.</p><note><p>You can and are recommended
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to use the API normally for area registry updates even when feedback is disabled.
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This way feedback can be turned on successfully even if there was a layout
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or view change while feedback was disabled. </p><p>The only exceptions to
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this are those applications which will never enable the feedback again (for
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example, in some games you might do this if you don’t want feedback, or use
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the device vibration for effects in your game).</p></note><p>Any application
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can only disable the feedback for itself, which means this API provides no
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means for globally disabling feedback. </p><p>The user can still disable all
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the feedback by changing device feedback settings. Moreover, feedback can
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be globally disabled by the feedback system for e.g. during ongoing telephone
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calls (this depends on the device configuration).</p></section>
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<section id="GUID-CB48CD7D-9577-47A7-82D4-910960E6B140"><title>Disabling and
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enabling feedback for a control</title><p>Use the function <xref href="jar:GUID-759FBC7F-5384-4487-8457-A8D4B76F6AA6.jar!/html/classMTouchFeedback.html#3430455447f3294fde61a91c545c7847" format="application/java-archive"><codeph>EnableFeedbackForControl</codeph></xref> to disable and enable feedback
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for a control.</p><p>You can also use an <xref href="jar:GUID-759FBC7F-5384-4487-8457-A8D4B76F6AA6.jar!/html/classMTouchFeedback.html#087da56921ef7f5deca103ad568efa8d" format="application/java-archive">overloaded version</xref> of this function to disable or enable only audio
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or vibration based feedback.</p></section>
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</conbody></concept>